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Cold rolled roll is hot rolled roll as raw material, at room temperature under the recrystallization temperature of rolling, including plate and roll, which is called steel plate, also called box plate or plate: long length, roll delivery is called steel strip, also called roll plate; The thickness above 0.15mm is called plate, and the thickness below 0.15mm is called foil.
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Galvanized coil is a thin steel plate with Q235 as the base material dipped into a melted zinc groove, so that its surface is adhered to a layer of zinc. It is mainly produced by continuous galvanizing process, that is, the rolled steel plate is continuously dipped in the melting zinc bath to make galvanized steel coil.
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Galvanized steel strip is cold rolled or hot rolled, long and narrow steel plate coated with a layer of raw materials called (zinc, aluminum). Hot dip galvanizing has the advantages of uniform coating, strong adhesion and long service life. Complex physical and chemical reactions occur between the matrix of hot-dip galvanized strip steel and the molten bath to form a compact zinc-iron alloy layer with corrosion resistance. The alloy layer is integrated with the pure zinc layer and strip steel matrix. Therefore, its corrosion resistance is strong.
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Aluminized zinc coil is the name of a new type of steel coil, which is made of cold rolled or hot rolled steel plate by hot dip plating. The coating composition is 55% aluminum, 43.4% zinc and 1.6% silicon. This steel plate is gradually replacing galvanized sheet in the world because of its excellent corrosion resistance.
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The structural layers of the color coated steel sheet from the inside to the outside are base material(cold rolled steel,galvanized steel), zinc/alzinc coating, chemical conversion coating.primer and finished coating. This kind of plate has novel surface color, strong adhesion, good corrosion resistance and decoration, and good processing performance, and can be cut, bent, drilled, riveted, crimped and so on.
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316 Stainless steel roll according to the production process can be divided into cold rolled stainless steel roll and hot rolled stainless steel roll two categories, and according to the different materials can be divided into austenite, ferrite, martensite and biphasic stainless steel roll several materials. Like other types of stainless steel plate, stainless steel coil plate has strong corrosion resistance and rust resistance, excellent quality makes it an important industrial raw materials and building materials.
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